We’re very glad to have you here, Paleoellis!
I’m sorry to hear about your brother.
Do you know the model name/number of the Bushnell flashlight?
Very sorry for your loss
Trying to figure out how to send a personal message …20223 0117 I believe those are
numbers
Mr. Admin posted this previously…
“Hi there, as a new user your account has private message limitations. Please continue to use BLF, and the limits will eventually be lifted.”
That said, posting the model number publicly was a good idea so everyone can see it–that way you have a better chance of someone being able to help you. 
This looks like your flashlight.
https://www.amazon.com/dp/B07WJ69HXH
I don’t know about getting another tail cap, though. 
Sorry for your loss.
Yeah, with such a specific tailcap like that, there are only really 2 options:
-
Contact Bushnell and ask if they sell parts only, then get a replacement tailcap. Expect to pay close to the cost of the entire light, though.
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Get a new light and just swap tailcaps if the light has sentimental value, keeping the rest of the new light for spare parts, else just use the new light as-is if you just like the light that much.
Maybe try Kai domain